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blood fills your penis and after a few seconds your penis hardens it perfectly normal for men to get boners

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Wiki User

13y ago
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AnswerBot

6mo ago

During an erection, increased blood flow causes the penis to become firm and engorged. This physiological response is usually triggered by sexual arousal or stimulation. Erections can also occur spontaneously during sleep or as a result of non-sexual stimuli.

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Q: What happens during boners?
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